KR200181007Y1 - An apparatus utilizing heat from exhausted gas of an agricultural heater - Google Patents

Abstract

The exhaust heat utilization apparatus of the agricultural hot air fan according to the present invention alternately spirally arranges a large diameter pipe and a small diameter pipe in a chimney in which a high temperature exhaust gas is discharged to the outside in a conventional agricultural hot air fan, and the pipe by a circulation pump. It is characterized in that it is configured to circulate the fluid to heat the fluid, and to be able to use the heating and the like by flowing the heated fluid into the heat radiating mechanism. The diameter of the small diameter pipe described above is preferably about 40% to 60% of the diameter of the large diameter pipe (ie, about 1/2 of the diameter of the large diameter pipe), but is not necessarily limited thereto.

Description

Exhaust Heat Utilization Device of Agricultural Heater {AN APPARATUS UTILIZING HEAT FROM EXHAUSTED GAS OF AN AGRICULTURAL HEATER}

The present invention relates to an apparatus using heat in exhaust gas discharged from an agricultural hot air fan.

To date, agricultural warmers have been widely used to heat livestock houses or livestock houses. This agricultural warmer is a type in which a hot gas generated from an oil burner is forcibly blown to heat the inside of a vinyl house or livestock house, and then exhaust gas is discharged through the chimney. Since it reaches about 300 ° C, a tremendous amount of energy has been lost. Therefore, if the latent heat in the exhaust gas can be recovered and recycled, not only energy can be saved, but heating costs can be reduced to reduce the burden on farmers.

Therefore, an object of the present invention is to provide a device for recovering the latent heat from the high-temperature exhaust gas discharged to the outside in the agricultural hot air fan to recycle it.

The exhaust heat utilization apparatus of the agricultural hot air fan according to the present invention alternately spirally arranges a large diameter pipe and a small diameter pipe in a chimney in which a high temperature exhaust gas is discharged to the outside in a conventional agricultural hot air fan, and the pipe by a circulation pump. It is characterized in that it is configured to circulate the fluid to heat the fluid, and to be able to use the heating and the like by flowing the heated fluid into the heat radiating mechanism. The diameter of the small diameter pipe described above is preferably about 40% to 60% of the diameter of the large diameter pipe (ie, about 1/2 of the diameter of the large diameter pipe), but is not necessarily limited thereto.

1 is an explanatory diagram showing a structure of a conventional agricultural warmer.

2 is an explanatory diagram showing a structure of an agricultural hot air fan installed with an exhaust heat utilizing apparatus according to the present invention;

Figure 3 is a side view of one of the components of the exhaust heat utilization apparatus according to the present invention

Figure 4 is a plan view of a pipe which is one of the components of the exhaust heat utilization apparatus according to the present invention.

[Explanation of symbols for the rich part of the drawing]

10: burner 11a, 11b: blower

12: hot air outlet 13: chimney

14: pipe 15: circulation pump

16: radiator

Hereinafter, described with reference to the accompanying drawings, preferred embodiments of the present invention is as follows.

1 is a schematic structural diagram showing an agricultural hot air fan of a known type. When the burner 10 is ignited to heat the green house or livestock house, the fuel (ie, diesel or kerosene) burns and heats the surrounding air. The heated air is forcibly circulated in the hot air blower by the blowers 11a and 11b to escape from the inside of the hot air blower through the hot air outlet 12 to heat the plastic house or the livestock house. At this time, a large amount of heat is discharged to the outside of the plastic house or outside the livestock house through the chimney 13, the heat energy is lost. Arrows in the figure indicate the flow of air. However, as described above, since the temperature of the exhaust gas discharged through the chimney 13 reaches about 300 ° C., the release of such high temperature exhaust gas into the atmosphere without any action is directly connected to a huge amount of energy loss. .

2 schematically shows an apparatus of the present invention for recycling high temperature exhaust gas discharged through a chimney.

A fluid such as water forcibly circulated from the pump 15 flows into the pipe 14, and the fluid is heated by the high-temperature exhaust gas in the chimney 13 to flow out of the bottom of the pipe 13. The high temperature fluid which flows out is supplied to the heat radiation mechanism 16, such as a heat radiation pipe or a radiator. Depending on where the heat dissipation mechanism 16 is located, the heat dissipation mechanism 16 may serve as an auxiliary heating mechanism for the vinyl house or livestock house, or may be a third non-heating device for the vinyl house or livestock house. It can also serve as a main heating or auxiliary heating device for a place.

The high temperature fluid passes through the heat radiating mechanism 16 and then loses heat and becomes low temperature. The fluid is circulated again by the pump 15 and supplied to the upper portion of the pipe 14 to be heated again by the exhaust gas. Next, the cycle as described above is repeated.

As shown in Fig. 3 and Fig. 4, the pipe 14 is configured in such a manner that a large diameter and a small diameter are alternately stacked in a spiral manner. The small diameter is preferably about 1/2 of the diameter as compared to the large diameter, but is not necessarily limited thereto. Arranging the pipes with different diameters in this way is for the purpose of maximizing thermal efficiency.

That is, when the large diameter pipes and the small diameter pipes are alternately arranged as described above, the contact area with the exhaust gas becomes much larger than when the pipes are all arranged with a constant diameter, and thus the heat transfer area (傳熱面 績) is to be maximized. In addition, when the large diameter pipe and the small diameter pipe are arranged very close to each other, heat loss in the pipe can be minimized. In order to further increase the thermal efficiency (ie, to maximize the heat transfer area), the diameter of the pipe 14 is maximized so that the gap between the wall of the chimney 13 and the pipe 14 is small. It is also preferable to use the chimney 13 with a larger diameter than the conventional one.

The present invention has a structure as described above, since the heating can be efficiently used by the heat energy discharged and lost through the chimney in the conventional agricultural air heater, it shows an excellent effect to save energy and reduce the heating cost.

In addition, by arranging large diameter pipes and small diameter pipes in close proximity to each other, the heat transfer area can be maximized to increase energy efficiency.

Claims (2)

Pipes in which a large diameter and a small diameter are alternately arranged in a spiral in a chimney where hot exhaust gas is discharged to the outside from an agricultural hot air fan, A circulation pump for circulating fluid into the pipe, Heat dissipation mechanism into which the heated fluid flows in the pipe Exhaust heat using apparatus of the agricultural warmer, characterized in that consisting of. The exhaust heat utilization apparatus of claim 1, wherein the diameter of the small diameter pipe is 40% to 60% of the diameter of the large diameter pipe.